Can I help you?No,thanks .I A.havejust looked around B.am just looking around C.just lookedaround

问题描述:

Can I help you?No,thanks .I A.havejust looked around B.am just looking around C.just lookedaround

应该是A 需要我帮你吗?不 我已经看过了
表示已经做完 所以用完成时